Untitled

<!DOCTYPE html>
<?php
if ($_FILES['uploadfile']['error'] > 0 ) {
echo "Upload error";
}
else{
$filename = $_FILES['uploadfile']['name'];
$type = $_FILES['uploadfile']['type'];
$size = $_FILES['uploadfile']['size'];
$tmp = $_FILES['uploadfile']['tmp_name'];
$ext = pathinfo($filename ,PATHINFO_EXTENSION);
$allowed_extension = array("jpg" , "png" , "gif" , "bmp");
if (in_array($ext,$allowed_extension)){
move_uploaded_file($tmp,"/var/www/html/uploads/".$filename);
echo "upload success in : /var/www/html/uploads/" .$filename ;
}else{
echo "invaild" ;
}
}
?>
<html>
<body>

<h1>I'll do it</h1>
<form action = "upload1.php" method = "post" enctype = "multipart/form-data">
<input type = "file" name = "uploadfile" />
<input type = "submit"  value = "Upload"/>
</body>
</html>